<!DOCTYPE HTML>
<html>
  <head>
    <meta charset="utf-8">
    <title>CSS mask-clip reference</title>
    <link rel="author" title="Astley Chen" href="mailto:aschen@mozilla.com">
    <link rel="author" title="Mozilla" href="https://www.mozilla.org">
    <style type="text/css">
      div {
        position: absolute;
        top: 10px;
        background-color: purple;
      }

      div.border {
        left: 10px;
        margin: 1px 4px;
        width: 60px;
        height: 25px;
      }

      div.padding {
        left: 110px;
        margin: 9px 10px;
        width: 52px;
        height: 17px;
      }

      div.content {
        left: 210px;
        margin: 15px 13px;
        width: 40px;
        height: 11px;
      }
    </style>
  </head>
  <body>
    <div class="color border"></div>
    <div class="color padding"></div>
    <div class="color content"></div>
  </body>
</html>
